In California, where a government programme cut the marginal price of gas for poor households by 20%, households raised their consumption by 8.5% over the next year to 18 months.

在加利福尼亚州，一项政府计划将贫困家庭的天然气边际价格降低了20%，当地家庭的天然气消费量在随后的一年至一年半内上升了8.5%。